/*  ButtonUI3.java
 *
 *  Simple Event-Driven GUI Application
 *  Derived from:  EventExampleUI3.java
 */

import java.awt.*;
import java.awt.event.*;
import corejava.*;

public class ButtonUI3
    extends CloseableFrame
{
    Label valueLabel;
    Button incrementButton;
    Button resetButton;

    public ButtonUI3()
    {
        setSize(240, 100);
        this.setLayout(null);

        incrementButton = new Button("Increment");
        incrementButton.setBounds(20, 40, 100, 25);
        incrementButton.addActionListener(
            new IncrementButtonEventHandler() );
        add(incrementButton);

        resetButton = new Button("Reset");
        resetButton.setBounds(125, 40, 100, 25);
        resetButton.addActionListener( new ActionListener() {
            public void actionPerformed( ActionEvent evt ) {
                valueLabel.setText("0");
        }});
        add(resetButton);

        valueLabel = new Label("0", Label.CENTER);
        valueLabel.setBounds(95, 70, 50, 25);
        add(valueLabel);

        setVisible(true);
    }

    class IncrementButtonEventHandler
        implements ActionListener 
    {
        public void actionPerformed( ActionEvent evt )
        {
            int value = (new Integer(valueLabel.getText())).intValue();
            valueLabel.setText(String.valueOf(value + 1));
        }
    }

    public static void main( String[] args )
    {
        new ButtonUI3();
    }
}